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A number subtracted from 90 is three times that number
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A number subtracted from 90 is three times that number

User Enrico Sada
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2 Answers

3 votes
90-n=3n
90=4n
22.5=n

Final answer 22.5
User Benjamin Arvola
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4 votes
90 - x = 3xnow you need to solve for x
By combining the x-terms, we get 90 = 4x. Dividing both sides of the equation by 4, we get x = 2.25, or 9/4.
User Jezell
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